Weather Almanac: Dell Rapids, SD 57022

🗓️ Historical norms for September 2026

September avg. precipitation
🌧️ 3.16"
September days below freezing
📉 ≈0.4 days
Average September lows ≈49.0°F
USDA Zone
4b
Annual extreme lows -25°F to -20°F
Last Spring Frost (36°F)
🌷 May 22
First Fall Frost (36°F)
🍂 Sep 14
Tue. September 1  

🌅 6:50 a.m.

H: ≈77.3°F

L: ≈55.1°F

🌇 8:02 p.m.

Wed. September 2  

🌅 6:51 a.m.

H: ≈77.0°F

L: ≈54.7°F

🌇 8:00 p.m.

Thu. September 3  

🌅 6:52 a.m.

H: ≈76.7°F

L: ≈54.3°F

🌇 7:58 p.m.

Fri. September 4  

🌅 6:53 a.m.

H: ≈76.5°F

L: ≈53.9°F

🌇 7:57 p.m.

Sat. September 5  

🌅 6:55 a.m.

H: ≈76.2°F

L: ≈53.5°F

🌇 7:55 p.m.

Sun. September 6  

🌅 6:56 a.m.

H: ≈75.9°F

L: ≈53.2°F

🌇 7:53 p.m.

Mon. September 7 Labor Day  

🌅 6:57 a.m.

H: ≈75.6°F

L: ≈52.7°F

🌇 7:51 p.m.

Tue. September 8  

🌅 6:58 a.m.

H: ≈75.3°F

L: ≈52.3°F

🌇 7:49 p.m.

Wed. September 9  

🌅 6:59 a.m.

H: ≈75.0°F

L: ≈51.9°F

🌇 7:47 p.m.

Thu. September 10  

🌅 7:00 a.m.

H: ≈74.7°F

L: ≈51.5°F

🌇 7:46 p.m.

Fri. September 11  

🌅 7:01 a.m.

H: ≈74.4°F

L: ≈51.1°F

🌇 7:44 p.m.

Sat. September 12  

🌅 7:02 a.m.

H: ≈74.0°F

L: ≈50.6°F

🌇 7:42 p.m.

Sun. September 13  

🌅 7:04 a.m.

H: ≈73.7°F

L: ≈50.2°F

🌇 7:40 p.m.

Mon. September 14 Holy Cross  

🌅 7:05 a.m.

H: ≈73.4°F

L: ≈49.7°F

🌇 7:38 p.m.

Tue. September 15  

🌅 7:06 a.m.

H: ≈73.0°F

L: ≈49.3°F

🌇 7:36 p.m.

Wed. September 16  

🌅 7:07 a.m.

H: ≈72.7°F

L: ≈48.8°F

🌇 7:35 p.m.

Thu. September 17  

🌅 7:08 a.m.

H: ≈72.3°F

L: ≈48.4°F

🌇 7:33 p.m.

Fri. September 18  

🌅 7:09 a.m.

H: ≈71.9°F

L: ≈48.0°F

🌇 7:31 p.m.

Sat. September 19  

🌅 7:10 a.m.

H: ≈71.6°F

L: ≈47.5°F

🌇 7:29 p.m.

Sun. September 20  

🌅 7:12 a.m.

H: ≈71.2°F

L: ≈47.0°F

🌇 7:27 p.m.

Mon. September 21  

🌅 7:13 a.m.

H: ≈70.8°F

L: ≈46.6°F

🌇 7:25 p.m.

Tue. September 22 Autumn Equinox  

🌅 7:14 a.m.

H: ≈70.4°F

L: ≈46.2°F

🌇 7:24 p.m.

Wed. September 23  

🌅 7:15 a.m.

H: ≈70.0°F

L: ≈45.7°F

🌇 7:22 p.m.

Thu. September 24  

🌅 7:16 a.m.

H: ≈69.6°F

L: ≈45.3°F

🌇 7:20 p.m.

Fri. September 25  

🌅 7:17 a.m.

H: ≈69.2°F

L: ≈44.8°F

🌇 7:18 p.m.

Sat. September 26 🌕

🌅 7:18 a.m.

H: ≈68.8°F

L: ≈44.4°F

🌇 7:16 p.m.

Sun. September 27  

🌅 7:20 a.m.

H: ≈68.3°F

L: ≈43.9°F

🌇 7:14 p.m.

Mon. September 28  

🌅 7:21 a.m.

H: ≈67.9°F

L: ≈43.5°F

🌇 7:13 p.m.

Tue. September 29  

🌅 7:22 a.m.

H: ≈67.5°F

L: ≈43.1°F

🌇 7:11 p.m.

Wed. September 30  

🌅 7:23 a.m.

H: ≈67.0°F

L: ≈42.7°F

🌇 7:09 p.m.


Temperature climatic data from weather station: SIOUX FALLS 14 NNE (USW00004990)

Precipitation climatic data from weather station: SIOUX FALLS 14 NNE (USW00004990)

Agricultural climatic data from weather station: FLANDREAU (USC00392984)